FR2715776B1 - High-power laser with two floors. - Google Patents

High-power laser with two floors.

Info

Publication number
FR2715776B1
FR2715776B1 FR9400958A FR9400958A FR2715776B1 FR 2715776 B1 FR2715776 B1 FR 2715776B1 FR 9400958 A FR9400958 A FR 9400958A FR 9400958 A FR9400958 A FR 9400958A FR 2715776 B1 FR2715776 B1 FR 2715776B1
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
floors
high
power laser
laser
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9400958A
Other languages
French (fr)
Other versions
FR2715776A1 (en )
Inventor
Claude Carriere
Bernard Groussin
Christian Larat
Jean-Paul Pocholle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson-CSF Semiconducteurs Specifiques
Original Assignee
Thomson-CSF Semiconducteurs Specifiques
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/23Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308Amplifier arrangements, e.g. MOPA
    • H01S3/2316Cascaded amplifiers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/081Construction or shape of optical resonators or components thereof comprising more than two reflectors
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/0941Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/005Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/005Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0071Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/02Constructional details
    • H01S3/025Constructional details of solid state lasers, e.g. housings or mountings
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/0602Crystal lasers or glass lasers
    • H01S3/0606Crystal lasers or glass lasers with polygonal cross-section, e.g. slab, prism
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/0602Crystal lasers or glass lasers
    • H01S3/061Crystal lasers or glass lasers with elliptical or circular cross-section and elongated shape, e.g. rod
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/07Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S3/00Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/09408Pump redundancy
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S5/00Semiconductor lasers
    • H01S5/005Optical devices external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0071Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/022Mountings; Housings
    • H01S5/02236Mounts or sub-mounts
    • H01S5/02248Mechanically integrated components on a mount or an optical microbench, e.g. optical components, detectors, etc.
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01SDEVICES USING STIMULATED EMISSION
    • H01S5/00Semiconductor lasers
    • H01S5/40Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025Array arrangements, e.g. constituted by discrete laser diodes or laser bar
FR9400958A 1994-01-28 1994-01-28 High-power laser with two floors. Expired - Fee Related FR2715776B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9400958A FR2715776B1 (en) 1994-01-28 1994-01-28 High-power laser with two floors.

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR9400958A FR2715776B1 (en) 1994-01-28 1994-01-28 High-power laser with two floors.
EP19950400144 EP0665616A1 (en) 1994-01-28 1995-01-24 High power two-stage laser
CA 2141100 CA2141100A1 (en) 1994-01-28 1995-01-25 Two-stage high power laser
US08378675 US5570387A (en) 1994-01-28 1995-01-26 Two-stage power laser
JP3181795A JPH07226553A (en) 1994-01-28 1995-01-30 Two-stage power laser

Publications (2)

Publication Number Publication Date
FR2715776A1 true FR2715776A1 (en) 1995-08-04
FR2715776B1 true FR2715776B1 (en) 1996-03-01

Family

ID=9459517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9400958A Expired - Fee Related FR2715776B1 (en) 1994-01-28 1994-01-28 High-power laser with two floors.

Country Status (5)

Country Link
US (1) US5570387A (en)
EP (1) EP0665616A1 (en)
JP (1) JPH07226553A (en)
CA (1) CA2141100A1 (en)
FR (1) FR2715776B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2739983A1 (en) * 1995-10-13 1997-04-18 Thomson Csf Semiconducteurs High power semiconductor laser
FR2749721B1 (en) * 1996-06-07 1998-11-27 Thomson Csf Electrical Switch has photoconductor
US6057871A (en) * 1998-07-10 2000-05-02 Litton Systems, Inc. Laser marking system and associated microlaser apparatus
FR2784185B1 (en) 1998-10-06 2001-02-02 Thomson Csf A device for harmonization between a path of laser emission and a passive observation path
FR2791819B1 (en) * 1999-03-30 2001-08-31 Commissariat Energie Atomique Optical pumping module for a laser, comprising a cylindrical reflector has a polygonal base
FR2796211B1 (en) 1999-07-09 2001-10-12 Thomson Csf unstable optical cavity for laser beam
FR2814281B1 (en) * 2000-09-19 2003-08-29 Thomson Lcd TFT active matrix for an optical sensor comprising a photosensitive semiconductor layer, and optical sensor having such a matrix
US7495848B2 (en) 2003-07-24 2009-02-24 Northrop Grumman Corporation Cast laser optical bench
GB2506402B (en) * 2012-09-28 2016-02-17 Thales Holdings Uk Plc Side pumped laser

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6136399B2 (en) * 1977-11-15 1986-08-18 Tokyo Shibaura Electric Co
DE3531734A1 (en) * 1985-09-05 1987-03-12 Siemens Ag Means for positioning a semiconductor laser with a self-aligning effect for a glass fiber to be coupled
JPS6360578A (en) * 1986-09-01 1988-03-16 Sumitomo Electric Ind Ltd Solid-state laser element
US4864584A (en) * 1987-09-24 1989-09-05 Laser Diode Products, Inc. Laser diode pumped ND:YAG laser and method of making same
FR2639150B1 (en) * 1988-11-15 1991-01-25 Thomson Hybrides Microondes Optoelectronic power device and its production method
FR2655461B1 (en) * 1989-12-01 1992-11-27 Thomson Csf miniature optical source and realization PROCESS.
US5084886A (en) * 1990-10-01 1992-01-28 Laser Diode, Inc. Side-pumped laser system with independent heat controls
FR2684237B1 (en) * 1991-11-22 1993-12-24 Thomson Hybrides Circuit integrated semiconductor laser and method for producing this circuit.
EP0548440A1 (en) * 1991-12-23 1993-06-30 International Business Machines Corporation Bilithic composite for optoelectronic integration
DE4229499A1 (en) * 1992-09-04 1994-03-10 Deutsche Aerospace Laser diode pumped solid-state laser - comprises large number of laser diodes mounted directly on surface of laser crystal or solid-state laser material, with pump diodes formed as leaky waveguides

Also Published As

Publication number Publication date Type
JPH07226553A (en) 1995-08-22 application
US5570387A (en) 1996-10-29 grant
CA2141100A1 (en) 1995-07-29 application
FR2715776A1 (en) 1995-08-04 application
EP0665616A1 (en) 1995-08-02 application

Similar Documents

Publication Publication Date Title
DE29708764U1 (en) screwdriver
DE29708596U1 (en) wrench
DE29714631U1 (en) Caddy
DE29803674U1 (en) laminate
DE29807972U1 (en) Quick Heftmappe with sound profile
DE29720247U1 (en) special pliers
DE29804929U1 (en) Multiple Banding with Zuführschiebereinheit
DE29803619U1 (en) Resting with Rückenteil- and foot-support
DE29816405U1 (en) wooden torch
DE29710495U1 (en) retaining profile
DE29715451U1 (en) Sprinkler with sprinkler druckluftgefülltem
DE29717499U1 (en) Satellite-bay warehouse
DE29621859U1 (en) Diode-pumped laser
DE29711809U1 (en) Stop light on the bicycle
DE29814827U1 (en) light spot
DE9409034U1 (en) shelf ladder
DE29707102U1 (en) Mobile double ladder
DE29716301U1 (en) cross forklift
DE9421482U1 (en) The insulating profile
DE29817334U1 (en) Armchair with standing up
DE29713131U1 (en) screwdriver
DE29716312U1 (en) screwdriver
DE29715540U1 (en) The refrigerator
DE69902424T2 (en) Stretcher
DE29715704U1 (en) Caddy

Legal Events

Date Code Title Description
ST Notification of lapse